NSO Level 1- Science Olympiad (SOF) Class 8: Questions 896 - 902 of 1175

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Question 896

Question

MCQ▾

In monsoon, John heard the sound of thunder 10 seconds after the lightning was seen.

The distance between him and the clouds where thunder and lightning occurred would be (hint: velocity of sound is )

Choices

Choice (4)Response

a.

b.

c.

d.

Question 897

Question

MCQ▾

The maximum deviation of a point from the mean position in the wave is known as

Choices

Choice (4)Response

a.

Trough

b.

Crest

c.

Amplitude

d.

Wavelength

Question 898

Question

MCQ▾

Sound is produced by

Choices

Choice (4)Response

a.

Rotation

b.

Vibration

c.

Movement

d.

Question does not provide sufficient data or is vague

Question 899

Question

MCQ▾

Generally, birds produce sound through a special organ known as

Choices

Choice (4)Response

a.

Beaks

b.

Pharynx

c.

Syrinx

d.

larynx

Question 900

Question

MCQ▾

The loudness of a sound depends on its

Choices

Choice (4)Response

a.

Wavelength

b.

Amplitude

c.

Frequency

d.

All of the above

Question 901

Question

MCQ▾

The sound that reaches back to our ears after striking on an obstacle is known as

Choices

Choice (4)Response

a.

Echo

b.

Repetition

c.

Refection

d.

None of the above

Question 902

Question

MCQ▾

Human beings produce sound by the vibration of

Choices

Choice (4)Response

a.

Throat

b.

Vocal cord

c.

Tongue

d.

Nose

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